A Universal Chain Adjuster for the rear wheel on many mopeds. These were used to align the rear wheel and also create the required tension on the chain
Hole for the wheel bolt approx 13mm
Hex 14mm across flats
Hex sleeve size 9mm
Bolt thread 5mm
Bolt length 35mm
Overall length 70mm
Suitable for models such as:-
-Mobylette
-Motobecane
-Norman
-Phillips
-Raleigh
and more where an adjuster was fitted